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March Weather in Grand Falls-Windsor, Canada

Last updated: June 18, 2025

In March, the average temperature in Grand Falls-Windsor, Canada hovers around -3°C (26°F), with lows dipping to a chilling -19°C (-2°F) and highs reaching a mild 14°C (57°F). The precipitation levels are notable, with approximately 114 mm (4.5 in) expected over 15 days, contributing to a notably high average humidity of 89%. Prepare for a brisk and damp month!

March Temperature in Grand Falls-Windsor

In March in Grand Falls-Windsor, the average temperature is -3°C (26°F), with maximums reaching 14°C (57°F) and minimums plunging to as low as -19°C (-2°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

March Weather in Grand Falls-Windsor: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Grand Falls-Windsor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand Falls-Windsor, March typically has an average temperature of -3°C (26°F), with highs reaching up to 14°C (57°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec211926354455626455453628
Data source: Temperature data for Grand Falls-Windsor generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Grand Falls-Windsor

In Grand Falls-Windsor in March, the precipitation amount is 114 mm (4.5 in) spread over a duration of 15 days.

March Precipitation Trends in Grand Falls-Windsor

The chart displays monthly precipitation patterns in Grand Falls-Windsor, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Grand Falls-Windsor, March typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8594114119103101727910090107118
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Grand Falls-Windsor

In Grand Falls-Windsor in March, humidity is 89%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring layered clothing to stay warm as you explore.

March Average Humidity in Grand Falls-Windsor

This chart illustrates the average monthly humidity levels in Grand Falls-Windsor, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Grand Falls-Windsor is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%90%90%90%87%79%88%90%89%89%87%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Grand Falls-Windsor

In Grand Falls-Windsor in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Grand Falls-Windsor.

Maximum UV Index Levels in Grand Falls-Windsor for March

The chart shows the monthly maximum UV Index (UVI) for Grand Falls-Windsor in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Grand Falls-Windsor typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356810876421
Data source: Grand Falls-Windsor March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How March Weather in Grand Falls-Windsor Compares to Other Months

Weather in Grand Falls-Windsor varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Grand Falls-Windsor, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Grand Falls-Windsor, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)85 mm (3.3 inches)88%low
February Weather-7°C (20°F)94 mm (3.7 inches)90%moderate
March Weather-3°C (26°F)114 mm (4.5 inches)89%moderate
April Weather2°C (36°F)119 mm (4.7 inches)90%high
May Weather6°C (44°F)103 mm (4.1 inches)87%very high
June Weather13°C (55°F)101 mm (4.0 inches)79%very high
July Weather17°C (62°F)72 mm (2.8 inches)88%very high
August Weather18°C (64°F)79 mm (3.1 inches)90%high
September Weather13°C (55°F)100 mm (3.9 inches)89%high
October Weather7°C (45°F)90 mm (3.5 inches)88%moderate
November Weather2°C (36°F)107 mm (4.2 inches)87%low
December Weather-2°C (28°F)118 mm (4.6 inches)88%low

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